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Corporate Infomation：History
History
- 1958
- Founded by current Representative Director Tsugane Tanaka. Launched wholesale business for industrial products, synthetic resin, and other raw materials, as well as finished goods and processed goods.
- 1968
- Opened Numazu field office.
- 1969
- Opened Numazu factory.
- 1972
- Invented water-based polymer-isocyanate compositions, and applied for patents in Japan (22) and in 11 overseas countries.
- 1973
- Opened laboratory.
Began operation of the Tochigi Factory. - 1974
- Began manufacturing and sale of KOYOBOND®.
- 1978
- Began operation of the Fuji Factory. Manufactured KOYOBOND®.
- 1982
- Opened the Osaka Branch.
- 1993
- Established P.T. Koyolem Indonesia to manufacture “KOYOBOND®” in Indonesia.
- 1995
- Received the Chemical Society of Japan Award for Technical Development (KOYOBOND®).
Established Shenyang Koyo Sangyo Co., Ltd. to manufacture and sell “KOYOBOND®”. - 1998
- Opened Minaminasu Factory.
- 2004
- Business transfer of the Herusu Co., Ltd. Chiba Plant from Eisai Co., Ltd. Established Chiba Herusu Factory.
- 2005
- Acquired manufacturing technology license for the wound dressing “KURABIO” from Kuraray Medical Inc., and began sales.
- 2006
- Increased capital to ¥144,000,000.
- 2009
- Koyo Sangyo Co., Ltd. and Koyo Kako Co., Ltd. merged. Capital ¥180,000,000
Acquired medical supply manufacturing business (Chiba Herusu Factory). “EMC Research Building” completed (laboratory). - 2011
- Established Koyo Sangyo Vietnam Co., Ltd. to manufacture and sell “KOYOBOND®” and molded food containers in Vietnam.
- 2012
- Opened Shanghai Branch of Shenyang Koyo Industrial Co., Ltd. to manufacture and sell double-faced tape, foam products, and composite products with rubber and resin sheet processing.
